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SiO2 + 3 C = SiC + 2 CO
Pb(Na3)2 + HCl = PbCl2 + HNa3 =>
Pb(Na3)2 + 2 HCl = PbCl2 + 2 HNa3
H2O2 + HNO3 = H2O + NO3 =>
H2O2 + 2 HNO3 = 2 H2O + 2 NO3
FeS + H2SO4 = H2S + FeSO4 =>
FeS + H2SO4 = H2S + FeSO4
CH3CH2OHCH2 + I2 + NaOH = CH3COCH3 + NaI(aq) + H2O =>
CH3CH2OHCH2 + I2 + 2 NaOH = CH3COCH3 + 2 NaI(aq) + 2 H2O
I2 + SO2 = I2SO2 =>
I2 + SO2 = I2SO2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Ca + Fe(PO4) = Fe + Ca3(PO4)2 =>
3 Ca + 2 Fe(PO4) = 2 Fe + Ca3(PO4)2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
CaC2(s) + H2O = Ca(OH)2(ac) + C2H2(g) =>
CaC2(s) + 2 H2O = Ca(OH)2(ac) + C2H2(g)
HClO4 + Ca(OH)2 = Ca(ClO4)2 + H2O =>
2 HClO4 + Ca(OH)2 = Ca(ClO4)2 + 2 H2O
BeO + KOH + H2O = K2(Be(OH)4) =>
BeO + 2 KOH + H2O = K2(Be(OH)4)
Al2O3 + HNO3 = Al(NO3)3 + H2O =>
Al2O3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2O
Ba(C2H3O2)2 + H2SO4 = BaSO4 + C2H4O2 =>
Ba(C2H3O2)2 + H2SO4 = BaSO4 + 2 C2H4O2
KI + Cl2 + H2O = HIO3 + KCl + HCl =>
KI + 3 Cl2 + 3 H2O = HIO3 + KCl + 5 HCl
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
CaS + Na = Na2S + Ca =>
CaS + 2 Na = Na2S + Ca
NaI + CaCl2 = NaCl + CaI2 =>
2 NaI + CaCl2 = 2 NaCl + CaI2
NO2 + OH{-} = NO3{-} + NO2{-} + H2O =>
2 NO2 + 2 OH{-} = NO3{-} + NO2{-} + H2O
Mg(NO2)3 = MgO + NO + O2 =>
Mg(NO2)3 = MgO + 3 NO + O2
CuO + C = Cu + CO =>
CuO + C = Cu + CO
K[Ag(CN)2] + NH3 = K[Ag(CN)2(NH3)2] =>
K[Ag(CN)2] + 2 NH3 = K[Ag(CN)2(NH3)2]
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
C4H11N + HCl = C4H12NCl =>
C4H11N + HCl = C4H12NCl
Ge + Li = GeLi =>
Ge + Li = GeLi
Cu(OH)2 + NaOH = Na2CuO2 + H2O =>
Cu(OH)2 + 2 NaOH = Na2CuO2 + 2 H2O
NiS2 + O2 = NiO + SO2 =>
2 NiS2 + 5 O2 = 2 NiO + 4 SO2
KNO2 + NH4Cl = NH4NO2 + KCl =>
KNO2 + NH4Cl = NH4NO2 + KCl
CaCO3 + H2O = CaO + H2CO3 =>
CaCO3 + H2O = CaO + H2CO3
KF + CaCl2 = CaF2 + KCl =>
2 KF + CaCl2 = CaF2 + 2 KCl
C4H9OH + O2 = CO2 + H2O =>
C4H9OH + 6 O2 = 4 CO2 + 5 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
HCl(aq) + H2SO4(aq) = HSO3Cl(l) + H2O(l) =>
HCl(aq) + H2SO4(aq) = HSO3Cl(l) + H2O(l)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Sb + H2O = Sb2O3 + H2 =>
2 Sb + 3 H2O = Sb2O3 + 3 H2
LiOH + Zn = LiZn + OH =>
LiOH + Zn = LiZn + OH
AlI3 + CI4 = Al4C3 + I2 =>
4 AlI3 + 3 CI4 = Al4C3 + 12 I2
NO2 + CI4 = NI3 + CO2 + O2 =>
4 NO2 + 3 CI4 = 4 NI3 + 3 CO2 + O2
CaCl2(s) = CaCl2(aq) =>
CaCl2(s) = CaCl2(aq)
H3O{+} + Mg = Mg{2+} + H2 + H2O =>
2 H3O{+} + Mg = Mg{2+} + H2 + 2 H2O
CI4 = C + I2 =>
CI4 = C + 2 I2
N2O4 = N2 + O2 =>
N2O4 = N2 + 2 O2
Na2CO3(aq) + HNO3(aq) = NaNO3 + CO2 + H2O =>
Na2CO3(aq) + 2 HNO3(aq) = 2 NaNO3 + CO2 + H2O
KOH + H2CO3 = H2O + K2CO3 =>
2 KOH + H2CO3 = 2 H2O + K2CO3
HBrO3 = Br2O5 + H2O =>
2 HBrO3 = Br2O5 + H2O
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
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